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http://dx.doi.org/10.5229/JKES.2010.13.3.169

Effect of Preparation Parameters of Sulfur Cathodes on Electrochemical Properties of Lithium Sulfur Battery  

Zhao, Xiaohui (Department of Chemical and Biological Engineering and Engineering Research Institute, Gyeongsang National University)
Kim, Dul-Sun (Department of Chemical and Biological Engineering and Engineering Research Institute, Gyeongsang National University)
Ahn, Hyo-Jun (School of Materials Science and Engineering, Gyeongsang National University)
Kim, Ki-Won (School of Materials Science and Engineering, Gyeongsang National University)
Jin, Chang-Soo (Korea Institute of Energy Research)
Ahn, Jou-Hyeon (Department of Chemical and Biological Engineering and Engineering Research Institute, Gyeongsang National University)
Publication Information
Journal of the Korean Electrochemical Society / v.13, no.3, 2010 , pp. 169-174 More about this Journal
Abstract
Sulfur cathodes were prepared by ball milling method with different types of electronic conductors and binders in different ball milling time. The sulfur cell with a cathode prepared in 45 min ball milling time gave an initial discharge capacity of 794mAh/g with Super-P as an electronic conductor and poly(vinylidene fluoride) as a binder. The cathode with multi-walled carbon nanotube as an electronic conductor showed an initial discharge capacity of 944 mAh/g and a discharge capacity of 300 mAh/g after 20 cycles. Cathodes with poly(ethylene oxide) and poly(vinylidene fluoride) as binders showed different cycle performance.
Keywords
Lithium sulfur battery; Electronic conductor; Binder; Ball milling time; Cycle property;
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